CertiGuide to Network+  9  Glossary

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Access mask

A 32-bit value that specifies the rights that are allowed or denied in an access control entry (ACE) of an access control list (ACL). An access mask is also used to request access rights when an object is opened.

A data structure containing security information that identifies a user to the security subsystem on a computer running Windows 2000 or Windows NT. An access token contains a user’s security ID, the security IDs for groups that the user belongs to, and a list of the user’s privileges on the local computer.

The quality of a system incorporating hardware or software to engage a flexible, customizable user interface, alternative input and output methods, and greater exposure of screen elements to make the computer usable by people with cognitive, hearing, physical, or visual disabilities.

Icons on the system status area of the taskbar of the Windows desktop that let the user know which accessibility features are activated.

An interactive tool that makes it easier to set up commonly used accessibility features by specifying options by type of disability, rather than by numeric value changes.

A control character indicates data has been received without errors.

A list of services available on a network, containing list of devices and the user’s permissions to use them

A core component in the Windows operating system that is built on COM and defines how applications can exchange information about user interface elements.

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